England, B.M. (1991) The State of the Science: Scanning Electron Microscopy. Mineralogical Record, 22(2), 123-132 (SEM image of scorodite on quartz from the "Kingsgate molybdenite-bismuth mines, near Glen Innes, New South Wales" on p. 128).; Clissold, M.E. (2007) Aspects of the Supergene Geochemistry of Copper, Nickel and Bismuth.